Patent · US Expired

Focusing adjustment apparatus

US6115056A · kind A · utility

3Cited by
5References
23Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 6, 1998
Grant dateSep 5, 2000
Priority date
Expiry dateApr 6, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41J2/46
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Apparatus for adjusting the focus of an imaging apparatus is disclosed. The imaging apparatus includes a lens assembly which is attached to focus adjustment apparatus. The focus adjustment apparatus includes a pair of parallel flat springs attached at one end to a member supporting the lens assembly and an adjusting mechanism operative to cause the attached lens assembly to be moved so that the lens assembly moves in small increments while remaining perpendicular to the image being scanned.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.